Gear Hobbing Machine - Vertical

max. wheel diameter 8000 mm︱gear width - mm︱max. module 30 ︱min. module - ︱milling spindle drive 52 kW︱diameter of hob 500 mm︱cutter length max. 600 mm︱tangential adjustment 600 mm︱milling head -swivable +/- 45 °︱milling head speed 200 U/min︱table rotation speed 10 U/min︱table diameter 3200 mm︱table hole 700 x 1150 mm︱table load 100 t︱feeds 1500 mm/min︱axial adjustment 350 - 2350 mm︱Distance Milling Axis - Table Axis 550 - 4350 mm︱control Siemens Sinumerik 840 D ︱total power requirement 200 kW︱weight of the machine ca. 135 t︱

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equipped with: - 6-axis CNC-control Siemens Sinumerik 840D - External milling head - Internal milling head 52kW - table top (extension) 6000mm - Measuring system Renishaw LP2 - chip conveyor 4770h:Power On Hours, 1652h: Control connected, 587h: Head working

max. wheel diameter 4.000 mm︱gear width 3.000 mm︱max. module 40 ︱min. module 8 ︱Control SINUMERIK 840D ︱total power requirement 160 kVA︱weight of the machine ca. 76 t︱dimensions of the machine ca. m︱

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With the beginning of 03/16/2022 the company Isabelle Knops - Vermittlung & Handel von Werkzeugmaschinen has the exclusive right to sell this object. Gear Hobbing and profile Hobbing Machine / Brand: LIEBHERR / Type: LC 4000 Year of construction: 2009 A machine for milling gears by means of a cutter that rotates at an angular speed that is in a certain relationship to the workpiece. Operating hours approx.: 5.044 h. Very good - as new - fully functional condition. The machine can be inspected by appointment and can be tested. TECHNICAL DATA Gear hobbing machine: - Max. Workpiece diameter: 4.000 mm - Table diameter: 3.000 mm - Table drill hole: 1.000 mm - Max. Table speed: 3 rpm - Centre distance with external milling head: 710 ... 2.300 mm - Centre distance with internal milling head: 410 ... 2.000 mm - Total weight approx.: 76 tons - Workpiece table load: 450 kN Machine column: - Max. Axial path: 1.500 mm - Total power requirement: 160 kVA EQUIPMENT: - CNC Control: SINUMERIK 840D There is no guarantee for correctness and completeness of the technical details and accessories. Detailed technical data sheet and information on equipment available on request.

max. wheel diameter 350 mm︱gear width 200 mm︱max. module 8 ︱min. module - ︱Control SIEMENS ︱total power requirement - kW︱weight of the machine ca. 9,4 t︱dimensions of the machine ca. 4,2 x 2,3 x 2,65 m︱

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max. wheel diameter 160 mm︱gear width 400 mm︱max. module 4,5 ︱min. module 0,5 ︱Control Siemens 840 C ︱table diameter 170 mm︱clamping length max. 550 mm︱radial slide travel 140 mm︱cutter diameter max. 130 mm︱cutter length max. 300 mm︱tangential adjustment 240 mm︱pivoting angle +/- 45 Grad︱milling arbors HSK A80 ︱milling spindle speeds (infinitely variable) 225 - 1800 U/min︱total power requirement 34 kW︱weight of the machine ca. 11 t︱dimensions of the machine ca. 3,2 x 2,6 x 2,8 m︱

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Machine equipped with motor milling head, very good condition!

max. wheel diameter - mm︱gear width - mm︱max. module - ︱min. module - ︱Control Siemens ︱total power requirement - kW︱weight of the machine ca. - t︱dimensions of the machine ca. - m︱

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max. wheel diameter 150 mm︱gear width 400 mm︱max. module 4 ︱min. module 0,5 ︱Control Siemens 840 C ︱radial adjustment 160 mm︱tangential adjustment 240 mm︱axial adjustment 540 mm︱milling cutter diameter 130 mm︱cutter length max. 300 mm︱ 170 ︱milling spindle speeds (infinitely variable) 150 - 2000 U/min︱total power requirement 33 kW︱weight of the machine ca. 9,0 t︱dimensions of the machine ca. 2,9 x 2,2 x 2,8 m︱

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Machine equipped with motor milling head, very good condition!

max. wheel diameter 80 mm︱gear width 120 mm︱max. module 3 ︱min. module 1 ︱control SIEMENS 840 C ︱total power requirement 30 kW︱weight of the machine ca. 7500 t︱dimensions of the machine ca. m︱

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L I E B H E R R CNC – Controlled Gear Hobbing Machine Type LC 82 Baujahr 1995 Ser.-Nr. 0836 ______________________________________________________ Gear-Diam. max. 80 mm Module Range 1 - 3 Helix Angle +/- 45 ° Distance Table Center to Tool Center 15 – 160 mm Hobbing Head Slide stroke vertical 250 mm Tangential Travel / Shift Travel of Tool slide 180 mm Minimum Number of Teeth 3 (!) Hob Size max. Ø x length approx. 90 - 200 mm Taper of Hob spindle HSK 50 A Workpiece Clamping length (table/Tailstock) 250 mm Infeed rates axial/radial/tangential/ 20/4/5/ mm/WP rev. Hob speed steplessly adjustable 0 – 800 rpm Hob Spindle Drive 8 kW - Total Load approx. 30 kW - 400 V – 50 Hz Total weight of Machine approx. 7.500 kg Special attachments / accessories: • SIEMENS - CNC-Control Model 840 C for 6 axis (i.e. Hob drive/table drive/ swivel angle of hob head/ Radial axis/Axial Axis/ Tangential Axis ) with a surface especially designed for the gear manufacturing with error display function. • Automatic and contactless tooth meshing device to adjust the hob into workpiece. • Automatic Shifting of hob slide. • Automatic Workpiece handling system Model SSL for high speed loading and unloading of Workpieces, consisting of a steel chain3,, for workpiece carriers and 3-fold WP-Gripper for blanks, for the machining position and for unloading of finished parts onto the steel band. Actual Workpiece size to be machined: approx.. Ø 30 x 120 mm length, helix gear sprocket. Clamping of workpiece between centers by a mechanical, cam controlled quill in tailstock. • complete workarea protection with one sliding door, chip conveyor, small coolant device, oil dust Absorber, WP Carrier, etc. The Machine can be also used for dry cutting. Condition : Satisfactory to Good . Machine can be inspected under power here in stock. Delivery : Ex stock, as inspected. Payment : Net, after conclusion of contract.

max. wheel diameter 4000 mm︱gear width 1800 mm︱max. module 40 ︱min. module 4 ︱Control Liebherr ︱total power requirement 110 kW︱weight of the machine ca. 68 t︱dimensions of the machine ca. 200qm m︱

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max. wheel diameter 3000 mm︱gear width 1200 mm︱max. module 30/40 ︱min. module 2 ︱table diameter 2500 mm︱table load capacity 400 kN︱hob dia. - max. 450 x 500 mm︱milling spindle speeds 10 - 165 U/min︱hob length max. 500 mm︱tip circle diameter 2050 mm︱tooth helical angle min/max 0 - 45 °︱center distance betw. workpiece-tool min/max. 150 - 1750 mm︱milling slide swivelling 50 Grad︱distance table / counter stay 1050 - 2050 mm︱shifting 300 mm︱workpiece weight 40 t︱table bore diameter 800 mm︱depth of hole 1100 mm︱main drive motor 37 kW︱min. workpiece diameter 290 mm︱

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Gear Hobbing Machine (also ideal for long and large shafts) equipped with: - CNC control Siemens Sinumerik 3 M for 4 axis (A/Y/X/Z) with electronic hand wheel - Automatic work cycles for axial, radial and tangential hobbing, crown/taper hobbing etc. - automatic single part equipment, taper milling, crowned milling, milling in several cuts, milling with indexing, changing feeds during milling, hobbing of the workpiece teeth,deep milling, automatic step-by-step milling shifting (Genaushifting), Diagonal milling - movable control panel - Universal hob head - set of change gears for differential gear (approx. 115pcs) - max workpiece dia with outer steady 2000mm, - tailstock column with tailstockarm, steadyrest support, dia 290 / 625 mm, - chip conveyor - paperband filter - cooling unit - Rexroth hydraulic - arbors (7) - levelling shoes (37) - automatic single indexing device Partially overhauled in 2006, e.g. new ball screw with nut,Table Bearing. Control system and electrics, motors were regularly adapted to the requirements.

max. wheel diameter 4400 mm︱gear width 645 mm︱max. module 35 ︱Control Siemens ︱main drive motor 37 kW︱table diameter 2500 mm︱max.helical angle +/- 30 °︱workpiece weight 40000 kg︱total power requirement 142 kVA︱weight of the machine ca. 75 t︱dimensions of the machine ca. m︱

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max. wheel diameter 630 mm︱gear width 400 mm︱max. module 10 ︱max. module 8 ︱x-axis 450 mm︱z-axis 280 mm︱table diameter 580 mm︱min. number of teeth by milling 10 ︱max.helical angle 45 °︱diameter of hob 200 mm︱cutter length max. 250 mm︱milling spindle speeds (infinitely variable) 45 - 400 U/min︱total power requirement 48,50 kW︱weight of the machine ca. 10 t︱dimensions of the machine ca. 4,20 x 2,40 x 2,50 m︱

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change gears, arbors tailstock

max. wheel diameter 750 mm︱gear width 700 mm︱max. module 14 ︱min. module ︱total power requirement 40 kW︱weight of the machine ca. 13 t︱dimensions of the machine ca. m︱

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max. wheel diameter 2100 mm︱gear width 1060 mm︱max. module 22 ︱min. module 3 ︱diameter of hob 300 mm︱table surface area 1800 mm︱turning speed range 12-71 U/min︱feeds - axial 0-16 mm/WU︱feeds - radial 0-8 mm/WU︱feeds - tangential 0-8 mm/WU︱support swivability - left/rigth 45 °︱electrics - voltage/frequency 380/50 V/Hz︱workpiece weight max. 15.000 kg︱table hole 600 x 800 mm︱min. number of teeth 10 ︱total power requirement 45 / 160 kW / A︱weight of the machine ca. 38 t︱dimensions of the machine ca. 5,0x2,2x3,6 m︱

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equipment : Standard milling head Tailstock (no clamping) Set of gear supports (shoes) Set of arbors Set of change gears Documentation

max. wheel diameter 3000 mm︱milling width 1000 mm︱max. module 22 ︱min. module - ︱min. number of teeth 32 ︱diameter of hob 350 x 440 mm︱table diameter 2400 mm︱table bore diameter 500 mm︱table load 20 t︱hob turning speeds U/min︱min. wheel diameter 1160 mm︱internal dia. - min. 920 mm︱internal dia. - max. 2760 mm︱Control Siemens Sinumerik 840 Dsl︱connected load 90 kVA︱electrics - voltage/frequency 400 / 50 V/Hz︱total power requirement 70 kW︱weight of the machine ca. 65 t︱

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2008 overhauled Machine on Base of a MODUL ZFWZ 3150 equipped with: - CNC Control Siemens 840D sl - Normal Milling Head (± 15 °, 40 kW), MAX-Modul = 22 - Internal Milling Head (± 15 °, 40 kW), MAX-Modul = 22 - Panel - Counter Stay - Coolant - Chip Conveyor - Housing

max. wheel diameter 1000 mm︱gear width 400 mm︱max. module 10 ︱clamping table 850 mm︱main drive motor 7,5 kW︱min. number of teeth 12 ︱dimensions of the machine ca. 3.1 x 1.9 x 2.5 m︱weight of the machine ca. 9 t︱

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with: - change gears and cutter arbors - other accessories according to pictures - counterholder

max. wheel diameter 3000 mm︱gear width 1200 mm︱max. module 25/50 ︱min. module 2 ︱Control NC ︱total power requirement 75 kW︱weight of the machine ca. 73 t︱dimensions of the machine ca. - m︱

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Retrofitted in the 90's and upgraded with NC/DRO. The universal gear hobbing machine is equipped with: - universal hob head, for straight and helical cylindrical gears - internal hob head - single indexing attachment - shaving head - counter support and with table bore for producing big pinions. The advantages of the machine are automatic operation, multiple hobbing cycle,hydraulic table relief, automatic indexing device, high accuracy combined with short set-up times.Furthermore the machine has a maximum of static and dynamic stiffness, high thermal stiffness and stability, zero backlash of all guides and drives, high range speed for hobber and work piece. The hydrostatic balanced table is driven by a twin worm wheel

max. wheel diameter 250 mm︱gear width 160 mm︱max. module 2,5 ︱min. module 0,5 ︱weight 1.000 kg︱range L-W-H 1,5 x 1,0 x 1,6 mm︱total power requirement 4 kW︱

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Many accessories, very good condition. 2 set tooling cabinets

max. wheel diameter 630 mm︱gear width 375 mm︱max. module 10 ︱min. module - ︱total power requirement 7,5 kW︱weight of the machine ca. 8,2 t︱dimensions of the machine ca. - m︱

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max. wheel diameter 1500 mm︱gear width 600 mm︱max. module 16 ︱min. module ︱total power requirement 25 kW︱weight of the machine ca. 19000 kg︱dimensions of the machine ca. m︱

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max. wheel diameter 400 mm︱gear width 280 mm︱max. module 1 ︱min. module 4 ︱total power requirement 15 kW︱weight of the machine ca. 6000 kg︱dimensions of the machine ca. m︱

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max. wheel diameter 4000 mm︱gear width 2000 mm︱max. module 16 / 18 ︱min. module - ︱table diameter 3500 mm︱table hole 1000 mm︱milling head speed 9 - 100 U/min︱table load 40 t︱distance table / middle of spindle 150 - 2300 mm︱diameter of hob 400 mm︱main drive motor ca 20 kW︱stroke of milling slide 2500 mm︱column travel 1950 mm︱max. angle of teeth 45 Grad︱number of teeth 80 - 1000 ︱power capacity - kW︱weight of the machine ca. - t︱dimensions of the machine ca. - m︱

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set of change gears, hydr Table relief accessories etc. Counter Holder

max. wheel diameter 900 mm︱gear width 450 mm︱max. module 10 ︱min. module ︱total power requirement 16 kW︱weight of the machine ca. 8.500 kg︱dimensions of the machine ca. m︱

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max. wheel diameter 250 mm︱gear width 210 mm︱max. module 6 ︱min. module 1 ︱axial adjustment of faceplate 400 mm︱number of spindle speeds 80 - 500 ︱weight of the machine ca. 3,7 t︱total power requirement 5 kW︱

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crowning, 2-cut-cycle.

max. wheel diameter 1500 mm︱gear width 280 mm︱max. module 14 ︱min. module 1 ︱table diameter 1400 mm︱total power requirement 86 kW︱weight of the machine ca. 23 t︱dimensions of the machine ca. 4 x 2,4 x 2,4 m︱

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Internal gear gasher for single teeth cutting. Machine was completly reconditioned in 2007 ! Machine comes along with change gears and other equipment.